45.A.bicycle B.bus C.car D.foot
44.A.lied B.stood C.lay D.slept
43.A.clean B.beautiful C.nice D.clear
42.A.money B.presents C.treasure D.goods
41.A.stream B.piece C.packet D.baggage
40.A.flowers B.grass C.books D.equipment
39.A.strengthened B.frightened C.broadened D.brightened
38.A.As if B.Even if C.As D.Unless
37.A.However B.Perhaps C.Likely D.Meanwhile
36.A.busy B.interested C.free D.tired